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General C++ Programming - August 2014 (Page 18)

Why I can't get access to a private function?

I've written a simple class given below. I had set the values through setab() function but the add()function didn't work. Compiler shows CPP/class.cpp|20|error...

[5 replies] Last: But is it not possible to get access into a private function? Isn't t... (by coder777)

by csstudent123

meaning of class type

Hi. I know what it means to say type int or bool or char but what does it mean to say class type. For example class Myclass {} Myclass variableName; So...

[7 replies] Last: would the variables in constructor be allocated memory sequentially? ... (by AbstractionAnon)

by student11

Scientific Receipts: VecDoub problem

(Note: I posted a similar thread in StackOverflow but got no answers). I am working on a code that is based on what comes with the Numerical Recipes (3rd ed.) ...

[5 replies] Last: Maybe you meant VecDoub OctaveSumAll . The way it's defined now, Oct... (by helios)

by littleKitten

getline() adds another line to the output

Hi, Taken from Accelerated C++ book, I modified those code to use getline() instead of std::cin >> only to find out that the output has extra line. Could anybo...

[4 replies] Last: There are a number of differences between your example and the source ... (by Duthomhas)

by Algast

Extra empty line appearing using cout

Hi, I am new to c++ and have started creating a dummy program to perform a simple task of writing a few strings to the console, which are first generated usi...

[1 reply] : We would need to see at least the definitions for the functions you ar... (by Zhuge)

by vendetta2014

Help me please

#include<conio.h> #include<windows.h> #include<stdlib.h> #include<string.h> #include<time.h> #include <stdio.h> void loading(); void gotoxy(int x, int y); ...

[1 reply] : You have a number of compile errors. Line 20: Your functions need... (by AbstractionAnon)

by Null

Cannot upload file with libcurl

Hello, I'm trying to upload a file to a FTP server with curl. The problem is that I do not know what to do after I enter the passive mode and open the specifie...

[4 replies] Last: Any reason why don't you use libcurl own example ? No particular reas... (by Null)

by csstudent123

binary file read and struct

#include <iostream> #include <fstream> using namespace std; struct details { char name ; int age; }; in...

[5 replies] Last: Got answer here http://www.cplusplus.com/forum/beginner/70211/ (by csstudent123)

by LB

Why does an abstract class need to call its virtual parent constructors?

http://ideone.com/tmdzkn #include <iostream> struct A { A() = delete; A(int x) : x(x) { } virtual ~A() = 0; int x; }; A::~A() = default; struct B : vir...

[2 replies] Last: OK, so it's a compiler bug - thanks! (by LB)

by Kubani

Inheritance by using FLTK

Hello guys, This problem is completely understandable for who has used book PPP (http://www.stroustrup.com/programming1.html) and has installed and used the ...

[2 replies] Last: Thank you very much for your guide. The below code gave the result. I... (by Kubani)

by mandzlee81

Stacks: [Error] 'exit' was not declared in this scope.

So our professor asked us to make a project where we will need three files (two .cpp files and one .h file) This is regarding our topic about Stacks. When I com...

[1 reply] : exit() is declared in the header <cstdlib> (or <stdlib.h> for C pr... (by Chervil)

by SuperStinger

Does a realloc to smaller memory result in the same pointer

Hi all Just a quick question ( I could probably test this out for myself...but I'm lazy... ). If I do this: void* testPtr = malloc ( 1000 ) And then this: ...

[2 replies] Last: Cheers, I guess I'll trial the function my self and examine its behavi... (by SuperStinger)

by drayman98

Simpe Playing Card Deck Creator and Shuffler

This is a playing card deck creator and shuffler i made yesterday. It is very simple now, but i believe that it could easily be implemented into a card game pro...

[1 reply] : #include <iostream> #include <string> #include <ctime> #include <algo... (by JLBorges)

by dididumal

Can I get help with this code?

In C++ language please!!! Suppose we have a set of data consisting of ordered pairs and we suspect the x and y coordinates are related. It is natural to try t...

[1 reply] : Please note, that this is not a homework site. We won't do your homewo... (by keskiverto)

by jheard901

Trying to make a Grid in DirectX

I am trying to make a grid in DirectX, but I keep getting the error "Access violation writing location" for some reason. This is my code for defining the grid:...

[5 replies] Last: I just figured it out thanks to this website: http://www.toymaker.info... (by jheard901)

by TheRealAnonymous

Simple question about strings

Hello, can someone please tell me what I need to do to make this work? #include <iostream> #include <string> using namespace std; int main() { string str; ...

[2 replies] Last: Thank you :) (by TheRealAnonymous)

by sambid

gui programming

I have previously experienced with c++ console programming with turbo and dev c++ compilers but now i want to move on to a graphical interface for my college pr...

[1 reply] : The usual multi-platform answers to this question are: Qt, SFML[+ opt... (by Ganado)

by TheRealAnonymous

C++ Program Freezes/ Fails to Continue Randomly

I'm currently learning C++ and I am working on a text-based game: battleships. It all works fine except the part that is concerned with generating the PC's ship...

[3 replies] Last: Hi, I have some thoughts to improve your code a bit. I completely f... (by TheIdeasMan)

by sya0524

While loop problems

How do i write my coding in DEV C++ using while loop for this question : Write a program to display a number in text format. The input from user is valid if ...

[1 reply] : You can use std::cout to display a number. std::cout << number; ... (by Peter87)

by closed account j1CpDjzh

Quicksort Descending Order?

I've tried Googling my question, and I've tried experimenting with my code on my own, though I'm not sure how to reverse my Quicksort. int partition(int us...

[7 replies] Last: You were not messing with the correct lines. Remember, your compariso... (by Duthomhas)

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